Sliding jack.



L.s`.1 AGfr:. SLIDING JAG'K.. APPLICATION FILED 00T. 21, 1907.

900,419. f Patented oct. 6,1908,

vINVENTOR ATTORNEY UNITED sTATEs PANN Enron.

LUTHER s. `rAefnoir NORTH SALEM, INDIANA.

SLIIDIII'G- JACK.

State of Indiana, have invented afcertain` new and useful Improvement inSliding Jacks, of which the following is a specification.

My invention `relates to a new and usefulA improvement in sliding jacksand` has for its object to provide an exceedingly simple and eHective'device of this. description which may be utilized for sliding heavyvehicles, such as threshing,` machines, vtraction engines, harvestersandthe like sidewise to facilitate turning shortV corners, drivingthrough gateways andthe like.l A

l/Vith these ends in view,this invention consists in the details ofconstructionV and combination of elements hereinafter` set fclirth andthen specifically designated by the c aim.

Y In order that those skilled iniitheiart to which this inventionappertains may understand how tomake and use the'lsame7 Iv Will describelts construction Vin detail, referring by letter to the accompanyingdrawing formthe jacktapers toward the top7 the anglesV of the meetingsurfaces being curved as indicated at b so that the vehicle wheel ridingon any of these angles `or surfaces will bev caused to'slide downthesame and in so d0- ing force thevehicle sidewise as will be readily yunderstood.

p VSpeccation of Letters Patent. l Application led October 21, 1.907. pSerial No. 398,416.

Patented oet. e, 190s.

y While I have here. shown vmy improved jack as made in the generalformof a rectangle in plan thus utilizingbut two surfaces thereof for theobject the jack is intended, `itfollows that it could be made in thegeneral shape of a square in plan thus making it a double jack so' as toslide the wheels of avehicle in either direction.

It oftenhappens that in driving a longand heavy vehicle such as justdescribed through a gateway or hayistacks and the like it is necessaryto force the front or rear endi of the wagon sidewise and heretoforethis lhas been done by crow bars and levers but by the use of myimproved jack'it is only necessary to place the jacks in proper positionand drive two wheels of the vehicle over lthe jiackswhich will cause itto slide down the inclines and thus force that` end of the vehiclesidewise. The jack is to be used in pairs or sets. 4

` The jack maybe either cast solid or it may Having thus fully describedmy invention,

y what I claim as new and useful, is-- In a jack of the characterdescribed consisting ofa single casting so formed as to produce abase A,the sides of which are curved inward, and the angles of the meetingsurfaces being on a slight incline, and the upper portion ofthe jacktapering toward the top, and the angles of the meeting surfaces beingcurved so that a vehicle wheel when driven over the jack will be forcedsideWiSVe, as shown and described.

In testimony whereof, I have hereunto, aiiCiXed my signature in thepresence of two subscribing witnesses.

` Y LUTHER S. PAGE. Witnesses:

FRANK C. SELLERS, Y `SILAs F. DAvIDsoN.

